SUPERIOR, WI (KDAL) - Superior Police responded to Barker's Island around 11 p-m Wednesday on a report of shots being fired at people.  No injuries were reported and the suspects fled the area in a vehicle.  Officers later spotted and stopped a vehicle matching the description of the suspect vehicle and arrested three adult males.  The suspects, all Superior residents, are now in the Douglas County Jail on preliminary charges of endangering safety by use of a dangerous weapon.  The names of the suspects have not yet been released.